CN105490216A - Maintenance electric power cable protective casing pipe and use method - Google Patents
Maintenance electric power cable protective casing pipe and use method Download PDFInfo
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- CN105490216A CN105490216A CN201410477285.8A CN201410477285A CN105490216A CN 105490216 A CN105490216 A CN 105490216A CN 201410477285 A CN201410477285 A CN 201410477285A CN 105490216 A CN105490216 A CN 105490216A
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- electric power
- open tube
- power cable
- seal plug
- unwrapping wire
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Abstract
The invention discloses a maintenance electric power cable protective casing pipe and a use method. The maintenance electric power cable protective casing pipe includes an open pipe, a sealing cover, sealing stoppers and heat shrinking films; the open pipe is provided with a wiring groove; the sealing stoppers are covered at two ends of the open pipe, another wiring groove and a wire passing hole are provided; a side of the open pipe wiring groove is provided with a connection sliding groove; a cross section of the sealing cover is in arc shape; two sides are provided with sliding blocks; outer surfaces of the open pipe and the sealing cover are provided with anti-sliding grooves; the heat shrinking films are covered outside the open pipe, the sealing cover, and the sealing stoppers. The use method includes: cable covering, cable installation, sealing, wire passing pipe connecting, first heat shrinking protection, and second heat shrinking protection. The maintenance electric power cable protective casing pipe is easy and flexible to use, can effectively perform covering protection process on damaged parts of an electric power cable protective casing pipe, has excellent corrosion resistance, humidity resistance, electrical insulation performance, and shock resistance, and can provide safe and reliable protection to the electrical power cable.
Description
Technical field
The present invention relates to a kind of maintenance power line cable protection sleeve pipe, belong to electric power overhaul protection tool equipment field.
Background technology
In the laying of electric power cable, in order to ensure electric power cable safety, attractive in appearance and do not affect the needs such as surrounding space use, electric power cable landfill is often needed to lay in underground, when cable is in provided underground, because soil contains higher moisture and inorganic salts, and corrosion is caused to electric power cable, simultaneously provided underground separately need bear in the irregular impulsive force and soil that traffic on ground etc. brings as muroid, the infringement that snake class etc. are biological, thus easily cause electric power cable frequently to break down, use greatly reduce useful life, in order to overcome this problem, at present when carrying out provided underground to electric power cable, be often coated one deck protecting pipe at electric power cable, to resist the damage caused electric power cable in provided underground, although current used protecting pipe can effectively resist the damage caused electric power cable in provided underground, but it is installed needs to carry out when electric power cable is laid, once electric power cable laid and normal power supply after, then cannot install protecting pipe, the operations such as dismounting and replacing, and in actual use, due to electric power cable fault, the reasons such as extraneous construction, the protecting pipe local be coated on outside electric power cable often can be caused to occur breakage, thus cause electric power cable directly exposed in soil, and at present the equipment of this situation without specialty is processed, therefore when some electrical power cable because of protecting pipe damaged exposed in soil after, at present the normal processing method adopted be direct landfill or in electric power cable outer felt around one deck insulating tape, and these two kinds of methods all effectively cannot resist the damage caused electric power cable in provided underground at electric power cable, badly influence safe operation and the useful life of electric power cable.
Summary of the invention
This practical goal of the invention is just to overcome above-mentioned deficiency, provides a kind of maintenance power line cable protection sleeve pipe and using method.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of maintenance power line cable protection sleeve pipe, by open tube, closed cover, seal plug and heat shrinkage film are formed, open tube cross section is circular, and a unwrapping wire groove is set, unwrapping wire well width is the 1/4-1/3 of the transversal girth of open tube, seal plug is coated on open tube two ends, its cross section is in " work " font, and separately establish a unwrapping wire groove and a cable-through hole, connection chute is separately established in side to open tube unwrapping wire groove, closed cover cross section is circular arc, its length and unwrapping wire well width tolerance are ± 1 millimeter, slide block is separately established in closed cover two sides, and connected by the connection slide of slide block and open tube unwrapping wire groove, open tube and the uniform anti-slip tank of closed cover outer surface, heat shrinkage film is coated on open tube, outside closed cover and seal plug, and heat shrinkage film two ends exceed seal plug at least 5 centimetres respectively, and heat shrinkage film is at least two-layer, another uniform filler between two-layer heat shrinkage film.
Filler is one or both mixing of moistureproof material or resilient materials.
Filler thickness is 1-5 centimetres.
Connection chute is T-shape slot, " V " type groove or dovetail groove.
A kind of maintenance power line cable protection sleeve pipe using method, comprises the steps:
The first step, coated cable, uses heat shrinkage film to carry out voluble wrapping to the exposed electric power cable outside protecting pipe of faulty section, and carries out pyrocondensation process;
Second step, installing cables, will be placed in open tube by the unwrapping wire groove on open tube through coated electric power cable;
3rd step, sealing, first the connection chute of closed cover by the unwrapping wire groove on slide block and open tube is connected, unwrapping wire groove is sealed, then by the unwrapping wire groove on seal plug, electric power cable is installed in the cable-through hole of seal plug, and seal plug is installed to open tube two ends, then seal plug is rotated, make the unwrapping wire groove of unwrapping wire groove on seal plug and open slot not in same plane;
4th step, connects wire-passing tube, is connected respectively by the seal plug other end at open tube two ends with faulty section both sides electric power cable wire-passing tube;
5th step, a pyrocondensation is protected, and by heat shrinkage film difference voluble wrapping at open tube, seal plug and faulty section both sides electric power cable wire-passing tube outer surface, and carries out pyrocondensation process;
6th step; secondary pyrocondensation is protected; filler layer is set at the heat shrinkage film outer surface through pyrocondensation process at coated open tube, seal plug and faulty section both sides electric power cable wire-passing tube outer surface, and separately establishes coated heat shrinkage film outside filler layer, and pyrocondensation process is carried out to it.
Structure of the present invention is flexible and convenient to use; effectively can carry out coated conservation treatment to the electric power cable protecting pipe damaged part caused because of the reason such as fault or construction; and there is good corrosion resistance, humidity resistance, electrical insulation properties and shock resistance; thus provide safe and reliable protection for electric power cable, guarantee electric power cable safe operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is using method flow chart of the present invention.
Embodiment
A kind of maintenance power line cable protection sleeve pipe as shown in Figure 1, by open tube 1, closed cover 2, seal plug 3 and heat shrinkage film 4 are formed, described open tube 1 cross section is circular, and a unwrapping wire groove 5 is set, unwrapping wire 5 well width is the 1/4-1/3 of the transversal girth of open tube 1, seal plug 3 is coated on open tube 1 two ends, its cross section is in " work " font, and separately establish a unwrapping wire groove 5 and a cable-through hole 6, open tube 1 unwrapping wire groove 5 side is separately established and connects chute 6, closed cover 2 cross section is circular arc, its length and unwrapping wire groove 5 width tolerance are ± 1 millimeter, slide block 7 is separately established in closed cover 2 two sides, and be slidably connected by the connection chute 6 of slide block 7 with open tube 1 unwrapping wire groove 5, open tube 1 and the uniform anti-slip tank 8 of closed cover 2 outer surface, heat shrinkage film 4 is coated on open tube 1, outside closed cover 2 and seal plug 3, and heat shrinkage film 4 two ends exceed seal plug 3 at least 5 centimetres respectively, and heat shrinkage film 4 is at least two-layer, another uniform filler 9 between two-layer heat shrinkage film 4.
As shown in Figure 2, a kind of maintenance power line cable protection sleeve pipe using method, comprises the steps:
The first step, coated cable, first chooses heat shrinkage film according to exposed electric power cable length, then uses heat shrinkage film to carry out voluble wrapping to exposed electric power cable outside protecting pipe, and carries out pyrocondensation process;
Second step, installing cables, chooses open tube and seal cover length according to exposed electric power cable length, then will be placed in open tube by the unwrapping wire groove on open tube through coated electric power cable;
3rd step, sealing, first the connection chute of closed cover by the unwrapping wire groove on slide block and open tube is connected, unwrapping wire groove is sealed, then by the unwrapping wire groove on seal plug, electric power cable is installed in the cable-through hole of seal plug, and seal plug is installed to open tube two ends, then seal plug is rotated, make the unwrapping wire groove of unwrapping wire groove on seal plug and open slot not in same plane;
4th step, connects wire-passing tube, is connected respectively by the seal plug other end at open tube two ends with faulty section both sides electric power cable wire-passing tube;
5th step, a pyrocondensation is protected, and by heat shrinkage film difference voluble wrapping at open tube, seal plug and faulty section both sides electric power cable wire-passing tube outer surface, and carries out pyrocondensation process;
6th step; secondary pyrocondensation is protected; filler layer is set at the heat shrinkage film outer surface through pyrocondensation process at coated open tube, seal plug and faulty section both sides electric power cable wire-passing tube outer surface; and coated heat shrinkage film is separately established outside filler layer; and pyrocondensation process is carried out to it; wherein filler is one or both mixing of moistureproof material or resilient materials, and thickness is 1-5 centimetres.
Claims (5)
1. a maintenance power line cable protection sleeve pipe, it is characterized in that: described repaiies with power line cable protection sleeve pipe by open tube, closed cover, seal plug and heat shrinkage film are formed, described open tube cross section is circular, and a unwrapping wire groove is set, described unwrapping wire well width is the 1/4-1/3 of the transversal girth of open tube, described seal plug is coated on open tube two ends, its cross section is in " work " font, and separately establish a unwrapping wire groove and a cable-through hole, connection chute is separately established in described open tube unwrapping wire groove side, described closed cover cross section is circular arc, its length and unwrapping wire well width tolerance are ± 1 millimeter, slide block is separately established in described closed cover two sides, and connected by the connection slide of slide block and open tube unwrapping wire groove, described open tube and the uniform anti-slip tank of closed cover outer surface, described heat shrinkage film is coated on open tube, outside closed cover and seal plug, and heat shrinkage film two ends exceed seal plug at least 5 centimetres respectively, and heat shrinkage film is at least two-layer, another uniform filler between two-layer heat shrinkage film.
2. a kind of maintenance power line cable protection sleeve pipe according to claim 1, is characterized in that: described filler is one or both mixing of moistureproof material or resilient materials.
3. a kind of maintenance power line cable protection sleeve pipe according to claim 1 and 2, is characterized in that: described filler thickness is 1-5 centimetres.
4. a kind of maintenance power line cable protection sleeve pipe according to claim 1, is characterized in that: described connection chute is T-shape slot, " V " type groove or dovetail groove.
5. a maintenance power line cable protection sleeve pipe using method, is characterized in that: described using method comprises the steps:
The first step, coated cable, uses heat shrinkage film to carry out voluble wrapping to the exposed electric power cable outside protecting pipe of faulty section, and carries out pyrocondensation process;
Second step, installing cables, will be placed in open tube by the unwrapping wire groove on open tube through coated electric power cable;
3rd step, sealing, first the connection chute of closed cover by the unwrapping wire groove on slide block and open tube is connected, unwrapping wire groove is sealed, then by the unwrapping wire groove on seal plug, electric power cable is installed in the cable-through hole of seal plug, and seal plug is installed to open tube two ends, then seal plug is rotated, make the unwrapping wire groove of unwrapping wire groove on seal plug and open slot not in same plane;
4th step, connects wire-passing tube, is connected respectively by the seal plug other end at open tube two ends with faulty section both sides electric power cable wire-passing tube;
5th step, a pyrocondensation is protected, and by heat shrinkage film difference voluble wrapping at open tube, seal plug and faulty section both sides electric power cable wire-passing tube outer surface, and carries out pyrocondensation process;
6th step; secondary pyrocondensation is protected; filler layer is set at the heat shrinkage film outer surface through pyrocondensation process at coated open tube, seal plug and faulty section both sides electric power cable wire-passing tube outer surface, and separately establishes coated heat shrinkage film outside filler layer, and pyrocondensation process is carried out to it.
Priority Applications (1)
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CN201410477285.8A CN105490216A (en) | 2014-09-18 | 2014-09-18 | Maintenance electric power cable protective casing pipe and use method |
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CN201410477285.8A CN105490216A (en) | 2014-09-18 | 2014-09-18 | Maintenance electric power cable protective casing pipe and use method |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2113019A (en) * | 1981-12-29 | 1983-07-27 | Fujikura Ltd | Electric cable junction sealing |
CN1447486A (en) * | 2003-04-03 | 2003-10-08 | 郑登林 | Jointing pipe for communication cable |
CN2731747Y (en) * | 2004-08-27 | 2005-10-05 | 陈芳 | Single core cable coupler |
CN101552419A (en) * | 2008-03-31 | 2009-10-07 | 江苏华灿电讯股份有限公司 | Process for packing cable component |
CN201956643U (en) * | 2011-01-11 | 2011-08-31 | 长江高科电缆有限公司 | Cable dragging device |
EP2088658A3 (en) * | 2008-02-07 | 2013-06-26 | CCS Technology, Inc. | Heat shrinking cable collar for protecting at least one connection point between cables |
CN203056532U (en) * | 2013-02-24 | 2013-07-10 | 衢州市易凡设计有限公司 | Cable bushing |
-
2014
- 2014-09-18 CN CN201410477285.8A patent/CN105490216A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2113019A (en) * | 1981-12-29 | 1983-07-27 | Fujikura Ltd | Electric cable junction sealing |
CN1447486A (en) * | 2003-04-03 | 2003-10-08 | 郑登林 | Jointing pipe for communication cable |
CN2731747Y (en) * | 2004-08-27 | 2005-10-05 | 陈芳 | Single core cable coupler |
EP2088658A3 (en) * | 2008-02-07 | 2013-06-26 | CCS Technology, Inc. | Heat shrinking cable collar for protecting at least one connection point between cables |
CN101552419A (en) * | 2008-03-31 | 2009-10-07 | 江苏华灿电讯股份有限公司 | Process for packing cable component |
CN201956643U (en) * | 2011-01-11 | 2011-08-31 | 长江高科电缆有限公司 | Cable dragging device |
CN203056532U (en) * | 2013-02-24 | 2013-07-10 | 衢州市易凡设计有限公司 | Cable bushing |
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Application publication date: 20160413 |
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